No, in Egyptian mythology Isis was not the first goddess.
Isis, the fertility god
Isis was a god in Ancient Eypt
Isis's job was to look out for children and she was god of the sky.
Because the god that the ancient egyptians belived their king to be - Horus - his first throne was his mothers - Isis - lap. (Like when he was a baby)
Isis was the ancient Egyptian goddess of motherhood, magic and fertility.
The God of Life was known as Isis.
Isis, the Goddess of Magic, married Osiris, the God of the Dead. Isis and Osiris had one child, Horus.
Isis
Isis
Shu god of the air is the father of Geb god of the earth and the goddess of magic Isis is the daughter of Geb.
Isis was born a goddess, the daughter of the earth god Geb and sky goddess Nut.
Isis was born by the sky goddess Nut and the earth god Geb.